﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Demo9
{
	class Program
	{
		static void Main(string[] args)
		{
			Console.WriteLine("请输入正方形的边长");
			int a = int.Parse(Console.ReadLine());
			for (int i = 0; i < a; i++)
			{
				for (int j = 0; j < a; j++)
				{
					Console.Write("*");
				}
				Console.WriteLine();

			}
		}
	}
}
